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Amanda [17]
3 years ago
10

The CNS is vulnerable. There are several systems and structures in place which protect these vital tissues. How is the brain and

CNS protected? What structures exist and how does each help protect? You should be able to choose at least 3.
Biology
1 answer:
V125BC [204]3 years ago
5 0

Answer:

1) Skull and Vertebral column

2) Meninges

3) Cerebrospinal fluid.

Explanation:

Central Nervous system:

CNS is the abbreviation of Central Nervous system. CNS controls the whole body functions so it is the most important component of the body. CNS consist of two parts 1) Brain and 2) Spinal cord

Both of these organs are very important and hence need to be protected. Nature provided these organs with certain protective mechanisms these includes

1) Skull and Vertebral column:

Skull is present around brain and vertebral column is present around spinal cord. These structure provides mechanical support to soft parts of CNS.

2) Meninges:

These are the membranes that provide antiseptic environment to the brain and hence protect it from microbes and other harmful substances.

3) Cerebrospinal fluid:

This fluid is present inside meninges which nourishes the brain and protect it from mechanical stresses.

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Photosynthesis is done only by plants by using sunlight water and CO2

All living organisms can do cellular repirations

She is wrong because she said plants only do photosynthesis but that's not true because trees do cellular repiration too because when there is no sunlight they need energy. So what they do is they break down the sugar doing glycolysis by using mitochondria. Sidenote:Both plants and animals have mitochondria in their cells.They need energy right when there is no sun.So they use glycolysis.Glyco means sugar and lysis means break down.Then there come 2 steps.

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If the sugar that we just break down contains oxygen the that sugar falls to the aerobic respiration

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2 ATp from glycolysis 2 from Kreb Cycle and 36 from ETC so 36

Anerobic: They fall part to 2 major respirations of this section which are

1. Alcoholic Repiration - It contains no oxygen, gain 2 atp and used to make breads and alcohol

2.Lactic Acid - gain 2 ATp and no oxygen and used  in yogurt you eat and it creates sore in your muscles

She is wrong because that is completely wrong statement that trees only do photosynthesis but no they use cellular Respiration to gain energy from ATP when there is no sun available to them

Hope that answers the question

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